| 年份 | 军费 | 占GDP比例(%) |
|---|---|---|
| 1950 | 1.7 | 2.9 |
| 1951 | 2.9 | 3.7 |
| 1952 | 4.4 | 5.2 |
| 1953 | 4.6 | 4.8 |
| 1954 | 4.2 | 4.0 |
| 1955 | 4.3 | 3.9 |
| 1956 | 4.5 | 3.7 |
| 1957 | 4.4 | 3.3 |
| 1958 | 4.4 | 3.3 |
| 1959 | 4.5 | 3.1 |
| 1960 | 4.6 | 2.4 |
| 1961 | 4.7 | 2.4 |
| 1962 | 4.9 | 2.4 |
| 1963 | 5.5 | 2.4 |
| 1964 | 6.6 | 2.6 |
| 1965 | 7.9 | 3.0 |
| 1966 | 9.9 | 3.5 |
| 1967 | 12.0 | 3.8 |
| 1968 | 13.2 | 3.8 |
| 1969 | 13.1 | 3.4 |
| 1970 | 12.8 | 3.0 |
| 1971 | 13.3 | 2.8 |
| 1972 | 14.8 | 2.7 |
| 1973 | 18.6 | 2.4 |
| 1974 | 21.3 | 2.3 |
| 1975 | 22.7 | 2.3 |
| 1976 | 24.4 | 2.2 |
| 1977 | 25.0 | 2.2 |
| 1978 | 28.2 | 2.2 |
| 1979 | 31.0 | 2.2 |
| 1980 | 36.6 | 2.2 |
| 1981 | 43.2 | 2.3 |
| 1982 | 44.6 | 2.4 |
| 1983 | 45.1 | 2.5 |
| 1984 | 49.3 | 2.5 |
| 1985 | 43.9 | 2.5 |
| 1986 | 46.1 | 2.5 |
| 1987 | 50.6 | 2.4 |
| 1988 | 58.4 | 2.2 |
| 1989 | 63.0 | 2.1 |
| 1990 | 67.0 | 2.1 |
| 1991 | 70.2 | 2.2 |
| 1992 | 68.8 | 2.2 |
| 1993 | 67.3 | 2.2 |
| 1994 | 74.6 | 2.1 |
| 1995 | 76.7 | 2.0 |
| 1996 | 82.0 | 1.9 |
| 1997 | 79.4 | 1.9 |
| 1998 | 71.1 | 1.9 |
| 1999 | 77.7 | 1.9 |
| 2000 | 72.7 | 1.8 |
| 2001 | 70.4 | 1.9 |
| 2002 | 79.5 | 1.9 |
| 2003 | 99.3 | 1.8 |
| 2004 | 120.0 | 1.8 |
| 2005 | 132.4 | 1.8 |
| 2006 | 142.4 | 1.8 |
| 2007 | 171.9 | 1.8 |
| 2008 | 186.3 | 1.8 |
| 2009 | 189.6 | 1.9 |
| 2010 | 232.2 | 1.9 |
| 2011 | 266.0 | 1.8 |
| 2012 | 262.2 | 1.7 |
| 2013 | 248.3 | 1.6 |
| 2014 | 257.8 | 1.8 |
| 2015 | 240.5 | 2.0 |
| 2016 | 263.8 | 2.1 |
| 2017 | 276.9 | 2.0 |
| 2018 | 268.4 | 1.9 |
| 2019 | 260.8 | 1.9 |
| 2020 | 273.0 | 2.0 |
| 2021 | 317.5 | 2.0 |
2021年，澳大利亚的军费开支为317.5亿美元，比上年增长44.5亿美元；2021年澳大利亚军费占GDP的比重为2%。
近30年来，澳大利亚军费占GDP的比重一直维持在2%左右。
